Question

60 kN 60 kN 35 kN 35 kN 35 kN 1 m 1 m 1.5 m 1.5 m 1m 1 m Given a concrete deck, sitting on I-beams, which sit on horizontal girders that are being supported by concrete columns with footings underneath. Each I-beam directly carries the load above it and columns A&B each carry half of the bridge load. Each I-beam's flanges are 200 mm wide and each beam sits on a 500 mm (side view) wide girder The concrete columns are 350 mm (side view) x 600 mm wide (front view). The concrete footings are 1 mx 1 m. What is the bearing stress between the bottom of the footing and the soil? a) 225 kPa b) 112 kPa c) 112 Pa d) 225 Pa

Answer 1